Elixir Backend Engineer (Amsterdam)

Together AI is looking for a Senior Backend Engineer to join the CodeSandbox team, where we build foundational authentication and authorization features. Our work is mission-critical, enabling secure collaboration across all Together products and supporting the growth from individual users to large enterprise teams.

• Design & Implement Elixir APIs and services that serve Together AI users
• Build service SDKs and advise other teams who consume our Elixir API in TypeScript, Golang, and Python
• Contribute to running the Elixir/Erlang VM (BEAM) in production
• Work across services to improve service integrations and replace legacy solutions
• Participate in making product and technical decisions that are in the best interest of our customers
• Maintain our systems to the highest standards of code quality, documentation, automated testing, and continuous delivery
• Work with relational (PostgreSQL) and non-relational (MongoDB) data

• Experienced backend developer with relational databases, key/value stores, and object-relational mappers
• Willing to become proficient in Elixir and Phoenix
• Excellent programming skills, experience in Elixir or another functional programming language is strongly preferred
• Experienced or interested in authentication and authorization (OIDC, SAML, OAuth, JWT, RBAC, ABAC, SSO)
• Proficient in TypeScript and Next.js API development
• Passionate about working in high-performing startup teams
• Curious to try and learn new things, open to proposing new approaches and making mistakes
• Excellent communication skills for feedback and discussing problem-solving

• Competitive compensation
• Startup equity
• Other competitive benefits